LaMotte SMART Colorimeter Скачать руководство пользователя страница 14 | Manualshive

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A sample of each type of graph appears below:

12

SMART COLORIMETER

Calibration Curve

Calibration Curve

Absorbance vs Concentration

% T vs. Concentration

Absorbance

%

Transmission

2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0

0 1 2 3

0 1 2 3

4 5 6

4 5 6

7 8 9

7 8 9

10

10

100

10

1

Concentration in ppm

Concentration in ppm

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Содержание SMART Colorimeter

Страница 1: ...SMARTCOLORIMETER OPERATOR S MANUAL NOTICE This manual has been modified to accommodate changes implemented on meters with serial numbers starting with 579 L Mott...

Страница 2: ......

Страница 3: ...c Analysis 8 9 Reagent Blank 9 Colorimeter Tubes 9 10 Selecting an Appropriate Wavelength 10 Calibration Curves 10 12 Preparing Dilute Standard Solutions 13 Standard Additions 13 14 Sample Dilution Te...

Страница 4: ...s 30 34 EDIT USER TESTS Inputting Calibrations 35 36 Naming the Test 36 39 Selecting a Wavelength and Scanning a Blank 40 Entering a New Calibration 41 45 MAINTENANCE Cleaning 46 Battery Care 46 Repla...

Страница 5: ...s important to read the instruction manual Failure to do so could result in personal injury or damage to the equipment The SMART Colorimeter should not be stored or used in a wet or corrosive environm...

Страница 6: ...narrow bandpass interference filters Automatic filter selection Readout 4 line 16 character per line LCD Readable Resolution 1 T Reading Stability 0 2 T Measurement Wavelengths 420nm 460nm 510nm 530nm...

Страница 7: ...Reagecon Diagnostics Ltd Type of Equipment SMART Colorimeter Model Number LMC202 Rev E Year of Manufacture 1997 Importer s Address 13 A D Shannon Free Zone Shannon Co Clase Ireland Manufacturer s Nam...

Страница 8: ...face waters involves different considerations than taking samples from impounded and sub surface waters n Sampling of Open Water Systems Surface waters such as those found in streams and rivers are us...

Страница 9: ...ylinder with a spring loaded plunger attached to each end The device is cocked above the surface of the water and lowered to the desired depth A weighted messenger is send down the calibrated line to...

Страница 10: ...proportional to the concentration of the substance being tested Some reactions have limitations or variances inherent to them that may give misleading results Many such interferences are discussed wi...

Страница 11: ...used since a pinkish red solution absorbs mostly green light REAGENT BLANK Some tests will provide greater accuracy if a reagent blank is determined to compensate for any color or turbidity resulting...

Страница 12: ...acted samples Color Wavelength Yellow 420 Yellow Orange 460 Orange 510 Pink 530 Red 570 Green and Blue 605 CALIBRATION CURVES The SMART Colorimeter contains 42 precalibrated tests for the LaMotte reag...

Страница 13: ...art Colorimeter readings can be recorded as percent transmittance T or absorbance A 5 Plot results on graph paper or computer using any available plotting program If results are as T versus concentrat...

Страница 14: ...ORIMETER Calibration Curve Calibration Curve Absorbance vs Concentration T vs Concentration Absorbance Transmission 2 0 1 8 1 6 1 4 1 2 1 0 0 8 0 6 0 4 0 2 0 0 0 1 2 3 0 1 2 3 4 5 6 4 5 6 7 8 9 7 8 9...

Страница 15: ...i e volume of volumetric flask 5 In Column E Record the concentration of the original standard 6 In Column F Calculate the milliliters of original standard required C x D E F A sample chart appears be...

Страница 16: ...ditions SAMPLE DILUTION TECHNIQUES VOLUMETRIC MEASUREMENTS If a test result using the SMART Colorimeter gives an OVER RANGE message the sample must be diluted Then the test should be repeated to obtai...

Страница 17: ...reaction It is possible that the buffer capacity of the water sample may exceed the buffer capacity of the reagent system and the ideal pH will not be obtained If this is suspected measure the pH of a...

Страница 18: ...itical tests If sample turbidity is causing a stray light interference filtration may be needed The SMART Colorimeter checks for excessive stray light before scanning a blank or a sample The SMART Col...

Страница 19: ...t source with a life expectancy of 150 000 tests Wavelength selection is made with 6 narrow bandwidth interference filters with 5 15 nm bandwidths They are positioned on a filter wheel The microproces...

Страница 20: ...COMPONENTS Figure 1 shows a diagram of the SMART Colorimeter and the components 18 SMART COLORIMETER FIGURE 1...

Страница 21: ...test results you may scroll with or and make selections with Press to escape to previous menus 1911 QG 3 01 Press or to move desired test next to the Press to select test Press until is next to the A...

Страница 22: ...y see Battery Care page 45 Pushing the Battery Disconnect Button to the out position electrically disconnects the battery from the colorimeter and requires that an external power source be used to run...

Страница 23: ...G mode and turns the colorimeter off THE DISPLAY THE MENUS The display allows menu selections to be viewed and chosen which instruct the colorimeter to perform specific tasks The menus are viewed in t...

Страница 24: ...OTHER AND ANOTHER AND SO ON AND ANOTHER AND SO ON END OF LIST AND SO ON END OF LIST END OF LIST An asterisk will always be displayed in the far left position of the top line in the menu choice window...

Страница 25: ...dited in the EDIT SEQUENCE mode Any of the LaMotte tests the User Tests and the T Absorbance Tests may be placed in these sequences in whatever testing order that is prefered The initial sequences are...

Страница 26: ...ing a new calibration ALL TESTS is a fixed sequence containing the library of all of the tests including the LaMotte Tests T ABS Tests and User Tests If all of the sequences are modified any test may...

Страница 27: ...eter chamber and press the Q button to scan the sample The colorimeter will scan the sample and the next screen will appear 1 ALUMINUM BLANK IS DONE SCAN SAMPLE NEXT TEST PREVIOUS TEST To repeat the t...

Страница 28: ...LIST The colorimeter will then be able to be turned off with the next screen 2 AMMONIA N L SCAN BLANK SCAN SAMPLE Press the Q button to turn off the colorimeter Press the OFF button to escape to the...

Страница 29: ...05 74 END OF LIST Push Q button to select wavelength Here 530nm is selected as an example The SMART Colorimeter is ready to scan T ABS 46 T ABS 530 47 T ABS 570 48 T ABS 605 74 END OF LIST Insert blan...

Страница 30: ...to the previous wavelength by scrolling to the appropriate menu choice Press the OFF button to return to previous menus T ABS 530 T 10 A 1 00 SCAN SAMPLE NEXT TEST If no more tests exist in the seque...

Страница 31: ...on with the colorimeter off then press the USE button to turn the colorimeter on This menu will appear EDIT SEQUENCES EDIT SEQUENCE 1 EDIT SEQUENCE 2 EDIT SEQUENCE 3 TEST LIBRARY The first three menu...

Страница 32: ...utton to scroll to 29 PH CPR EDIT SEQUENCE 3 2 AMMONIA N L 12 COPPER DDC 25 NITRATE N 26 NITRITE N 29 PH CPR 33 PHOSPHATE L 36 SILICA LO 74 END OF LIST Press Q button to select 29 PH CPR for editing E...

Страница 33: ...is no longer in SEQUENCE 3 Press OFF to exit automatically save changes and go to EDIT SEQUENCES menu if no further changes are needed However in this example 1 ALUMINUM is being inserted in place of...

Страница 34: ...LIBRARY 1 ALUMINUM 2 AMMONIA N L 3 AMMONIA N H 74 END OF LIST SEQUENCE 3 has now been modified and will remain like this until it is edited again To run a test in SEQUENCE 3 go to the Testing Menu Pr...

Страница 35: ...IT SEQUENCES menu automatically save any changes and go to the TESTING MENU EDIT SEQUENCES EDIT SEQUENCE 1 EDIT SEQUENCE 2 EDIT SEQUENCE 3 TEST LIBRARY TESTING MENU SEQUENCE 1 SEQUENCE 2 SEQUENCE 3 T...

Страница 36: ...es that the test have a linear calibration if accurate results are expected The colorimeter will determine the Absorbance of two standards and calculate a response that will be stored to determine the...

Страница 37: ...oice can be edited at any time by selecting it The normal procedure would be to start with NAME THE TEST then SELECT FILTER then NEW CALIBRATION and then FORMAT RESULT EDIT USER TEST 3 NAME THE TEST S...

Страница 38: ...elected one at a time from left to right NAME THE TEST 51 USER TEST 3 KEEP CHANGE NOTE Select KEEP to go back to EDIT USER TEST 3 menu Select CHANGE to change the name of test 51 NOTE The KEEP and CHA...

Страница 39: ...e column to the right Press the t button to scroll the number 2 into the second line of the display adjacent to the 51 H NAME THE TEST 51 HH I J 9 Press Q button to select the number 2 as the second c...

Страница 40: ...acent to 51 H20 NAME THE TEST 51 H2OO P Q 9 Press Q button to select the terminator I end the name save the name H2O in this example and go to EDIT USER TEST 3 menu NAME THE TEST 51 H2O A B 9 The disp...

Страница 41: ...IT USER TEST 3 menu For more accurate results scan a new blank by following Scanning a Wavelength and Scanning a Blank procedure on page 40 Scroll to the desired wavelength and press Q button to selec...

Страница 42: ...er to scan a blank at all wavelengths including 530 nm SELECT FILTER 530 NM KEEP CHANGE Press t to select desired wavelength Then press EDIT SELECT FILTER 420 NM 460 NM 510 NM Place a blank in the col...

Страница 43: ...Select KEEP to go back to EDIT USER TEST 3 and keep the existing calibration Select CHANGE to enter a new calibration by inputting a number for concentration of the LO STD low standard scanning a LO...

Страница 44: ...one character that will always have to be selected DO NOT SELECT THE I UNTIL THE OTHER CHARACTERS HAVE ALLL BEEN SELECTED It must and will be the last character selected Select I to end number and ve...

Страница 45: ...number in next menu 51 H2O HI STD 1 2 3 9 Press the Q button to select KEEP and accept the displayed concentration of the HI STD This menu allows the user to confirm that the correct number has been...

Страница 46: ...the number of decimal places displayed for a result can be selected A test which ranges from 20 to 1000 ppm should not be displayed with three decimal places A test with a range from 0 010 to 0 500 ne...

Страница 47: ...ect it DECIMAL PLACES 0 PLACES 1 PLACE 2 PLACES 3 PLACES The EDIT USER TEST 3 menu will appear Since no more editing needs to be done press OFF to exit from EDIT USER TEST 3 EDIT USER TEST 3 FORMAT RE...

Страница 48: ...colorimeter for charging and for subsequent battery power operation The colorimeter battery is fully charged at the factory However discharge will occur at a rate of 2 per month If the battery is low...

Страница 49: ...THE BATTERY The battery has an approximate life of 250 tests per charge If the battery does not charge disconnect the battery with the Battery Disconnect Button and operate the colorimeter with the AC...

Страница 50: ...urements on page 14 POWER If meter will not come on disconnect the battery by setting the Battery Disconnect Button to the out position and try to operate the colorimeter on AC power see Battery Care...

Страница 51: ...tored in the datalogger for each test site The colorimeter may also be interfaced with an RS 232 serial printer using an appropriate cable see Computer Connection below and setting the printer configu...

Страница 52: ...0 5 0 Bipyridyl 2 50 S Iron 0 6 0 1 10 Phenanthroline 2 50 S Manganese 0 0 9 PAN 3 50 L Manganese HR 0 10 0 Periodate 2 50 S Molybdenum 0 30 Thioglycolate 3 50 L Nickel 0 10 0 Dimethylglyoxime 6 50 L...

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